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Título : On the nuclear structure of 229Ra
Autor : García Borge, María José, Burke, D. G., Gietz, H., Hill, P., Kaflrell, N., Kurcewicz, W., Løvhøiden, G., Mattson, S., Naumann, R. A., Nybø, K., Nyman, G., Thorsteinsen, T. F.
Fecha de publicación : 23-Mar-1992
Editor: Elsevier
Resumen: The nucleus 229Ra has been studied via β− decay of 229Fr, the half-life of which was measured to be (50.2 ± 0.4) s. A level scheme with seven excited levels has been constructed. In the Nilsson classification the ground state is assumed to be 5/2+[633↓], levels at 142.8 and 213.0 keV are described as 1/2+[631↓]and 3/2+[631↑],levels at 137.6 and 479.2 keV as 3/2-[761↑]and 1/2-[501↓]. The level structure of 229Ra is similar to the structure in the lighter Ra-isotopes, which have been described as octupole-deformed nuclei.
Descripción : 14 pages, 3 tables, 6 figures.
Versión del editor:
ISSN: 0375-9474
DOI: 10.1016/0375-9474(92)90269-P
Citación : Nuclear Physics A 539(2): 249-262 (1992)
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